.header-container {
  > header {
    line-height: 80px;
    width: 100%;
    height: 80px;
    text-align: center;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.75);
  }
  nav {
    position: sticky;
    top: 0;
    display: flex;
    width: 100%;
  }
  h3 {
    flex: 1;
    margin: 0;
    padding: 10px;
    text-align: center;
    color: #fff;
    outline: 1px solid #fff;
    background-color: rgba(0, 0, 0, 0.75);
  }
  p {
    width: 1em;
    margin: 0 auto;
  }
}
